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A QR Code is a barcode that can link to multiple kinds of data. It can be used to open a URL or email client, add contact information to the user's device, display text or provide WiFi set up information for Android devices.
QRcodes are free to use but depending on how you access the web network charges may be incurred when you visit websites.
view video or send messages.

If you have a webcam you can install QR reader software

for your computer

smart phone applications.

There are lots of

QR codes connect the
physical world to the
virtual world.

QR Codes In Education
Binder Author:
steven.anderson

46 Interesting Ways to Use QR Codes in the Classroom

QR Codes in Education

QR Codes -
What Are They?

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QR Codes in K-12 Education

Creative Commons Licence
What's a QR Code? by janning is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
Based on a work at janning.edu.glogster.com.